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Method and device for examining fatigue resistance of metallic materials at ultrasonic frequencies and constant temperature.

Authors: Campos-Pozuelo, Cleofé; Rodríguez Corral, Germán; Blanco Blanco, Alfonso;

Method and device for examining fatigue resistance of metallic materials at ultrasonic frequencies and constant temperature.

Abstract

[EN]The invention relates to a method and device for determining the fatigue resistance of metallic materials at ultrasonic frequencies and a constant temperature. The inventive method can be used to examine materials subjected to bending and traction/compression stresses at different temperatures ranging from atmospheric temperature to 1000 DEG C and at a high frequency. Said method can be used to evaluate the breaking stress and the number of cycles to which the material has been subjected and to record the break profile. The device comprises an excitation system, a data acquisition system and resonant samples of the material. [ES]El objeto de esta patente es el establecimiento de un dispositivo y un procedimiento que permiten la determinación de la resistencia a fatiga de materiales metálicos a frecuencias ultrasónicas y a temperatura constante. El procedimiento permite el estudio de materiales sometidos a tensiones de tracción-compresión y flexión, a diferentes temperaturas desde la temperatura ambiente hasta 1000 DEG C, a alta frecuencia. El procedimiento permite la evaluación de la tensión de ruptura y el número de ciclos al que el material ha sido sometido y la grabación de la historia de la ruptura. El dispositivo está constituido por un sistema de excitación, un sistema de adquisición de datos y las muestras resonantes del material.

Fecha de solicitud: 10.07.2003.- Titular: Consejo Superior de Investigaciones Cientícias (CSIC).

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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